TiB2颗粒增强相原位生成机制的研究进展

材料导报, 2012, 26(7): 53-56.

TiB2颗粒增强相原位生成机制的研究进展

伏洪旺 ^1, , 陈宗宁 ^2, , 王同敏 ^3, , 徐军 ^4, , 朱晶 ^5, , 李婧 ^6, , 武立 ^7,

1.大连理工大学材料科学与工程学院,大连116024

2.大连理工大学材料科学与工程学院,大连116024

3.大连理工大学材料科学与工程学院,大连116024

4.大连理工大学材料科学与工程学院,大连116024

5.大连理工大学材料科学与工程学院,大连116024

6.大连理工大学材料科学与工程学院,大连116024

7.大连理工大学材料科学与工程学院,大连116024

关键词：铸造 , 金属基复合材料 , 颗粒增强 , 显微组织 , 热分析

Research Progress in the Formation Mechanism of in Situ TiB2 Reinforcing Particulates

TiB2/Al复合材料在结构、耐磨、航空航天领域有着广阔的应用前景.然而,不同制备工艺制备的材料在微观结构和性能方面都存在不同,其对应的生成机制也不尽相同.概述了不同工艺制备TiB2颗粒的生成机制.由于混合盐反应法具有易操作、低成本、易连续化生产等特性,因此重点探讨了其反应机理及存在的问题.针对增强相TiB2颗粒微小表面自由能大、容易聚集形成链条状、造成材料的脆性等缺点,给出了几种改善工艺.

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材料期刊网

TiB2颗粒增强相原位生成机制的研究进展

Research Progress in the Formation Mechanism of in Situ TiB2 Reinforcing Particulates

参考文献